Have you heard of WOT or Wide-open throttle? Have you searched for the term “WOT meaning cars” hoping to find out what WOT means in a car and how it affects your engine? Worry no more because you are in the right place.
The wide-open throttle is the maximum opening of the engine throttle, and this helps determine the quantity and effect of fuel and air intake.
In this article, you will learn more about WOT and how they affect your engine performance.
What Does WOT Mean in a Car?
WOT means wide-open throttle in cars. It is also known as the full-throttle and can be referred to as a situation where the throttle is in a fully open state (be it a steam engine or internal combustion engine).
This term can also be referred to as the maximum speed condition of the running engine at the maximum opened throttle butterfly/plate valve.
For an internal combustion engine, this condition refers to the maximum fuel and air intake that happens as the throttle plate found in the carburetor is completely opened up, without or with less resistance to the air coming into the system.
For automobiles, the wide-open throttle is a situation where the accelerator pedal is completely depressed or the flooring of the accelerator pedal.
For steam engines, throttling helps to regulate the amount of steam that will go into the cylinder through the boiler.
The diesel engine doesn’t come with a throttle vale; however, the wide-open throttle is the maximum quantity of fuel being injected divided by the air the engine pumps so that the required stoichiometric point for air-fuel mixture can be reached.
In a situation where there is more fuel, there will be a possibility of black smoke emergence.
There’s a decrease in manifold vacuum at WOT. More air will find its way into the combustion cylinders as the manifold pressure gets higher, which will also demand additional air inside so that the combustion reaction will be balanced.
Fuel injection and carburetor systems are placed in such a way to give an accurate fuel-air ratio as the dynamic shifts. There will be more power as the additional fuel and air react together.
There’s a data point in the onboard diagnostic(OBD) or electronic engine control known as the throttle position.
In the designs of ECU, the throttle position sensor (TPS) is a vital sensor that provides input data to the computer. Sometimes fuel-air ratio meter can be used.
In control logic (machine-based application)and control theory( including machines and humans), the WOT can be split logically into throttle position, operator intent, the feedback loops, and the net effect or resultant effect of the engine condition, running every given moment among other factors.
Even for a system with no electronic control, this can also be true. For instance, when an operator can control flooding in the carbureted engine.
The job of the wide-open throttle is not to rev the engine but to provide the correct fuel-air ratio that will help start up the engine.
For electronic controls, the feedback that comes with the factors can be exploited in so many ways, in such a way that the throttle position is an entirely separate issue with the drive-by-wire systems.
As the engine state changes every second, the computer will also make new decisions constantly on how two correlations should be.
During carburetion, carbs have fuel circuits and their jets are arranged in a given logic to get over the transient difference between the net effect of the running engine and the throttle position.
Also Read: Service Stability System (Meaning, Causes & Solution)
Frequently Asked Questions – WOT Meaning Cars
What is WOT timing?
The manifold vacuum will go down to zero at WTO. Also, at WOT, a lot of engines will deliver about 0.5inches of Hg of manifold vacuum. Therefore separating ignition timing to three primary components: Vacuum advance, mechanical advance, and initial timing.
What is Wide Open Throttle condition?
The wot or wide-open throttle means the maximum or highest throttle opening. Apart from when a speed is specified, the maximum throttle opening at max speed is the full-throttle opening.
What does WOT mean in tuning?
Delivering fuel in the wide-open throttle turning process does not change with or affect the model adopted at low and maximum loads. To match the mass flow into the engine, the airflow model should be adjusted within the higher range.
What is a full-throttle performance test?
The power constraint introduces a performance test as an additional condition for full-throttle consumption tests. The rate of fuel flow observed must be modified as the maximum-throttle performance tests in a situation where c represents a constant on the little difference from the standard condition to the non-standard condition.
What is full-throttle acceleration?
Full-throttle acceleration is a prolonged and moderate push on the pedal. This means getting about 100% throttle within a short period, about three to four seconds of fully depressing the pedal in the higher gear.
What should the air-fuel ratio be at wide-open throttle?
The ideal ratio that will give the lowest emission is a 14.7:1 stoichiometric air-fuel ratio. However, it is not a good ratio for power. Then, 12.5:1 was known as the good power ratio, but with recent studies and improvements in the design of combustion chambers, and ignition systems that are hotter, 12.8:1 to 13.2:1 is now the deal ratio.
What is a WOT pull?
For cars, WOT is referred to as the fully depressed accelerator, which can also be known as ‘flooring it.” This is because cars’ throttles are made of pedals, so when you press down the pedal until they are on the floor or close, full throttle is said to be selected.
Does full-throttle damage engine?
The wear on the engine components designed to carry the load will increase when you engage the maximum throttle. In addition, piston rings and bearings will get damaged, resulting in an engine reconstruction. However, this wearing will not be too quick.
Conclusion – WOT Meaning Cars
WOT means wide-open throttle in cars. It is also known as the full-throttle and can be referred to as a situation where the throttle is in a fully open state (be it a steam engine or internal combustion engine).
We hope this post was of help to you. Please feel free to check out our other blog articles if you want to get more knowledge on car terminologies!